geoff chan

ai product engineer + ex-founder

Product, engineering, and applied AI leader with 15 years of experience building software, leading teams, and shipping customer-facing products. Currently focused on operationalizing LLM-based systems and AI agents that run real business workflows, including RAG, orchestration, monitoring, evaluation, feedback loops, and product UX.

Technology Stack

AI / LLM Systems: OpenAI API, Claude SDK, Claude Code, Codex, Cursor, Ollama, local/open-source models, RAG, LLM evaluation, agent orchestration, prompt/workflow design, human-in-the-loop review, feedback loops

Software: Node/TypeScript, Python/Django, Elixir/Phoenix/Ash

Infra: Google Cloud, AWS, Heroku

Experience

Head of Product & AI @ Raven.ai Sept '24 - Current

  • Lead company-wide applied AI strategy, governance, and execution, including LLM system design, agentic workflows, evaluation practices, monitoring, human review, and responsible adoption.
  • Own product direction for Flight, Raven's main customer-facing application for monitoring manufacturing lines, production performance, and OEE data.
  • Designed and shipped AI workflow infrastructure including orchestration, RAG/knowledge layers, deterministic decisioning, action execution, feedback loops, and operational monitoring.
  • Automated the bulk of back-office ticket operations with LLM workflows; work previously spread across three full-time roles is now handled by one person at half capacity.
  • Lead SOC 2 compliance and security operations through Vanta, translating security requirements into practical controls, evidence workflows, and cross-functional accountability.

AI Consultant @ Imagine Canada Dec '24 - Current

  • Advise the Grant Connect product team on AI strategy, LLM workflows, agentic product opportunities, and the tradeoffs between traditional ML, LLM-based systems, and deterministic software approaches.
  • Designed and built first-of-kind AI grant prospecting and recommendation workflows using organization profiles, project data, funder history, eligibility signals, ranking logic, and LLM-based reasoning.
  • Explored recommendation-system approaches, including the pros and cons of custom model training versus LLM-assisted matching and rules-based/software-driven ranking.

Director of Engineering @ Code4rena Feb '23 - May '24

  • Scaled the engineering team from 4 to 16 across principal/staff, senior, intermediate, junior, ML, and data science roles. Drove job descriptions, interview design, coordination, including Code4rena's first AI Engineer.
  • Built the operating model and paved-road workflow that increased shipping velocity across the platform and enabled major milestones including v1 of the API, Warden Profiles, and AI-powered documentation search.
  • Owned velocity and delivery metrics for software projects and co-authored SDLC and security-policy SLAs with the CISO and chief architect.

Founder @ Stack Five Jul '18 - May '25

  • Founded and ran a boutique product engineering agency for 7 years, bootstrapped to ~$1M in revenue with a senior team built and retained year after year.
  • Designed and shipped high-quality products for adidas, Reebok, Salesforce, Heroku, and Code4rena with clear communication, careful expectation management, and leading-edge fullstack JavaScript delivery.

Senior Software Engineer Team Lead @ Plexxis Software Sep '17 - Aug '18

  • Led the strategic transition of foundational on-premise solutions to cloud-based applications and built a full-stack JavaScript engineering practice.

Consultant @ adidas / DEV6 Aug '16 - Aug '17

  • Led implementation of bespoke B2B applications for adidas and Reebok that processed over $800K in annual sales.

Frontend Developer Lead / Product Manager @ World Vision Canada Feb '11 - Aug '16

  • Led frontend developers, championed modern web practices, and drove adoption of technology standards that improved digital platforms and user experiences.
  • 3 month secondment as Product Manager, UX & Mobile, helping launch an early mobile app for field-based sponsorship data collection.

Education

McMaster University, Hamilton 2006 - 2011

B.A. Honours Multimedia

Sheridan College, Oakville 2005 - 2006

Art Fundamentals